Answered: 24. The following table gives the marks… | bartleby

Algebra & Trigonometry with Analytic Geometry

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 32E

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Related questions

Question

24. The following table gives the marks obtained by a group of 80 students in
an examination. Calculate the variance.
Marks obtained
No. of students
Marks obtained
No. of students
10-14
2
34-38
10
14-18
4
38-42
8
18-22
42-46
4
22-26
8
46-50
26-30
12
50-54
2
30-34
16
54-58

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The following table gives the marks obtained by a group of 80 students in an examination. Calculate the variance. Marks obtained No. of students Marks obtained No. of students 10-14 2 34-38 10 14-18 4 38-42 8 18-22 4 42-46 4 22-26 8 46-50 6 26-30 12 50-54 2 30-34 16 54-58 4
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